VBScript Programmer's Reference

Covers Vista, Windows Server 2003, Internet Explorer, Microsoft PowerShell, and the many fresh developments to the VBScript.

List of contents

Acknowledgments xi Introduction xxv Chapter 1: A Quick Introduction to Programming 1 Variables and Data Types 2 Flow Control 9 Operators and Operator Precedence 18 Organizing and Reusing Code 19 Top Down versus Event Driven 23 Coding Guidelines 25 Summary 29 Chapter 2: What VBScript Is - and Isn't! 31 Windows Script 31 Version Information 32 VBScript Is a Subset of VB 32 VBScript Is a Scripting Language 33 VBScript Is Interpreted at Runtime 33 Advantages of Using VBScript 36 Is VBScript Right for You? 37 How VBScript Fits in with the Visual Basic Family 38 What Can You Do with VBScript? 40 Tool of the Trade - Tools for VBScript 43 Summary 44 Chapter 3: Data Types 45 Scripting Languages as Loosely Typed 46 Why Data Types Are Important 47 The Variant: VBScript's Only Data Type 49 Arrays as Complex Data Types 72 Summary 81 Chapter 4: Variables and Procedures 83 Option Explicit 83 Naming Variables 85 Procedures and Functions 86 Variable Scope, Declaration, and Lifetime 95 Design Strategies for Scripts and Procedures 99 ByRef and ByVal 101 Literals and Named Constants 104 Summary 108 Chapter 5: Control of Flow 109 Branching Constructs 109 Loop Constructs 114 Summary 128 Chapter 6: Error Handling and Debugging 129 Types of Errors 130 Error Visibility and Context 137 Handling Errors 139 Generating Custom Errors 152 Debugging 157 Summary 181 Chapter 7: The Scripting Runtime Objects 183 What Are Runtime Objects? 183 Object Basics 184 The Dictionary Object 190 The FileSystemObject Library 196 Summary 207 Chapter 8: Classes in VBScript (Writing Your Own COM Objects) 209 Objects, Classes, and Components 209 The Class Statement 211 Defining Properties 212 Defining Methods 218 Class Events 220 Class Level Constants 222 Building and Using a Sample VBScript Class 223 Summary 232 Chapter 9: Regular Expressions 233 Introduction to Regular Expressions 233 The RegExp Object 238 The Matches Collection 252 A Few Examples 256 Summary 259 Chapter 10: Client Side Web Scripting 261 Tools of the Trade 261 The Evolution of Scripting 262 Different Scripting Languages 263 Responding to Browser Events 265 The Document Object Model in Action 280 Summary 286 Chapter 11: Windows Sidebars and Gadgets 287 Gadget Basics 288 Building a Gadget 292 Auto Refresh a Gadget 305 Packaging the Gadget 307 Summary 307 Chapter 12: Task Scheduler Scripting 309 Working with Task Scheduler 310 Task Scheduler 2.0 Scripting Objects 314 Sample Task Scheduler Script 340 Summary 344 Chapter 13: PowerShell 345 Requirements 345 Features 346 Why a New Scripting Language? 346 Getting Started 347 Working with Scripts in PowerShell 356 Creating and Calling Your First PowerShell Cmdlet Script 357 The Connection Between VBScript and PowerShell? 359 Summary 373 Chapter 14: Super Charged Client Side Scripting 375 Requirements and Browser Security 375 Scriptlets - Ancestors of Behaviors 376 Event Management 384 Scriptlets Are Deprecated in IE5 389 HTML Components (HTCs) 392 Summary 402 Chapter 15: Windows Script Host 405 Tools of the Trade 406 What Is WSH? 406 Types of Script Files 408 Running Scripts with the Windows Script Host 408 Using .WSH Files to Launch Scripts 411 Windows Script Host Intrinsic Objects 412 Summary 464 Chapter 16: Windows Script Components 465 What Are Windows Script Components? 465 What Tools Do You Need? 466 The Script Component Runtime 466 Script Component Files and Wizard 467 Exposing Properties, Methods, and Events 473 Registration Information 478 Creating the Script Component Type Libraries 479 How to Reference Other Components 481 Script Components for ASP 482 Compile Time Error Checking 484 Using VBScript Classes in Script Components 484 Summary 488 Chapter 17: Script Encoding 489 Limitations of Script Encoding 490 Encoded Scripts - Dos and Don'ts 490 Encoding with the Microsoft Script Encoder 491 Decoding the Script 507 Other Methods of Script Obfuscation 507 Summary 508 Chapter 18: Remote Scripting 509 How Remote Scripting Works 509 Using VBScript for Remote S

Product details

• Authors: Adria Kingsley-Hughes, Adrian Kingsley-Hughes, Kathi Kingsley-Hughes, Kathie Kingsley-Hughes, Re, Daniel Read
• Publisher: Wiley, John and Sons Ltd
• Languages: English
• Product format: Paperback / Softback
• Released: 19.10.2007
• EAN: 9780470168080
• ISBN: 978-0-470-16808-0
• No. of pages: 816
• Dimensions: 185 mm x 235 mm x 40 mm
• Subject: Natural sciences, medicine, IT, technology > IT, data processing